Fixed EmulatedUserHal so it supports SwitchUserMessageType::VEHICLE_REQUEST

Test: adb shell lshal debug android.hardware.automotive.vehicle@2.0::IVehicle/default --set 299896584 a 1 i -42 i 4 i 11
Fixes:  161574356

Change-Id: Iaf5d8e35f556c72350cdb9b6665adb31fca26871
1 file changed